Soil pulverizer



July 6 1926.l

A. G. SCHENDEL SOIL PULVERIZER Filed April 26, 1923 2 Sheets-Sheet 1 July 6, 1926.

1,591,187 lA. G. SCHENDEL sonu PULVERIZER Filed April 26, 192s 2. sheets-sheet 2 Patented July,

' i This invention relatesftoaisoil pulverizer and quack grass exterminatorr" Quack grass: has become so prolific inthe No'rthwestand c where they Y ll't 'san object of invention, .there-Eten" explanation .filed 'Aprii f2s, i923.y -seriai niseaef other portions i ofgthis country that consider-` able landhas been rendered:unfitfor `cul-- ti'vation by its presence; .'It has 'been' ascer-i tained -that'this grass can only befdestroyed bytreating the soil so that the sameis linely v broken `'up and the roots of `thej grass `lifted and brought tothe surface of thejground chine, by means of which the soil caribeYY Vpulverized and the quackd'grass Vandffroot's f Itis a such a device c'ornprisinjgv rotating torn up and 'disposed on" the surface ofthe ground. y Y

further object 4of the invention .to provide i toothed cylinder orfa'frotating shaftrrhaving `thereon a plurality-'of toothed" wheel's5'jthe chine 'and to mountthefsa'me in a swinging` which/can be Araised andy held yin va'-V i VVformed long gitudinal'parallelInenibers'plVV Y havinga transverse bar or member 2`se'cured v'overlappedat their frontends andsecured' ,frame Y "..The'se andother objects', an

teeth 'of which are' adapted' tofpass intoffthel ground under rotationof the wheels.;

fltfis'a'further objecto'fthe inventiontoY a series of toothed wheels for Y provide VAsuch p l toothed cylinder incombinati'onwitha series of stationary l'spaced teeth betweenrV which theteeth of the wheels",V respectively` 'rev'c'lvje` "It is still another object. of ,thefinvention` lto -pr'ovide means for ,"'drivin'gsthe toothed .wheelsl or' Vc"ylin'derfrom the axle ofV the mairious positions' oi elevation'.`

thefinvention will, beV fully lset forth in the following description" made in vcon'necti'n'i 1 'f 'with 'thefaccompanylng drawingsin which like reference characters lrefer vto Vtheisame parts throughout the different; views7 andl in Figlie' a view'in-side elevation 'of the ma#v chine, several parts being-*shown in j verftical secti'on'g-andf? f Figf2 is a plan view of themachineff Referring to. the dr`awings5-the machine COIDPI'ISGS a thereto at vthe rear` Vthereof,v which uvmembers carry and are supportedN by an axle havingl ljournaled thereonk they supporting wheels 4. At the front ofthe axles-the `members lfhafvel converging portions V5 which are shown as can 'be'r'acted Aupon by fthe .hot

d advantagesolf frame which, 1 -as, illustrated,V isH to ail `tongue `.member .rear i `Ofi-.f er

vtongue member v6 isv'rconnected AVtoy across member `7 alsof secured lfat; its rends' tothe- Vmembers 5'; fand Las! seat carrying-l bar '8a' is eoV secured' at; itsE lower:` Aend, the tongue/fand .theuloarV 7 andY extends upwardly-J and rearwardlyltherefrom. lThe wheels 4: vpreferably will jbe-iournaled on theaxle 3 anljoriey offthe: wheelsewijllfhave itsI Vhub provided l,with

the axleI and normally'.'held@lin-'engagementry fr( with :the :clutchl member 1Q formed on2 the hub ofthe wheel.y V The 'clutchis illustrated ,i

aszbeing normally held in'engaging position by a' spring 11 and-means, not shown,may`

be providedjof anyordinalry' type for withdrawingv the `clutch`z9 when desired. The rearbar 2 of Vtheljirame has projecting rear'- wardlytherefroma series 'oi spaced pointed Ateeth 1-2 and saidbar'has secured at'it's-endsf upwardly extendingjbracketsilfhavingb'earf n Aings'z'u; their vupper ends-'supporting sha-ft 1e-extending 'transversely of thev framelv above c thej fbarf 2.. Rearwardly zextendivng vbars .15

'havelbearing's atv theirforward ends pivotal'- *iflyV embracing the shaft- 1.145: which 1 bearings lare preferably formedaasgjcap bearings.

These." rearwardly extending bars 15 also the j members 15.; The m'ernbers, 152 arjet'also silient `arms i 22e' whichare; curved 4 ywith the convex side .upwardly and extending adjacentveachsideof vthejteethl 20 and toa point somewhatin front of the shaft 17, as clearly shown fin ligggl` The.; shaftl Vlll Vhas secured c' thereto at ajn -intermediate-point',r upwardly and rearwardly extendingparm 23 `having a transverse arm atitsitopv portion having anieyyelet iat each endlftoithe upp'erfone of y Y fwhichis connectedfa r*linlrvZl extendingfor- `e5'` havel bearingbrackets 16 securedv ,thereto-in? j terrnediate their ends in whichris -jourr'ialedY a shaft 17 extending-1 4transversely*between ed@VIV .l and 20 will be, rotated and theteeth-fthereo'f wardly .and connected to the f intermediate portion'ofa handlevery 25 pivoted fat .26 to a toothed quadrant 27 with which .a .pawl 28 operated by the usualgriphandleQ. cooperates. The lower endof the transverse 30. to. an upwardly. extending arm 31 secured to the bar 18. It'. will thusfbe seen that by swinging movement and adjustment ofethellever '25, the frame. comprising mem-V bers fl and 18, vvtogether with shaft 177 ,and wheels 1.9m'ay9be-l elevated todifferent positions and heldatfany'desired elevation.

"The-axle `Svis .provided with la sprocket wheel l32 l over which runs -a 1'chain v also traveling A over a sprocket -wheel 34 secured tol shaft; 14. 'The shaft 14 has secured at one end Ithereof a spur-gear 35 .meshing 'with a smaller-spur gear f3'6 secured to .the end of shaft'l. When the machine is fprogressed therein the wheels-comprisingmembers 19 will 'pass i between the-teeth'12, the direction O'frotati on being-as lindicated lby the arrows in Fig `f1. x

"ln operatiomfthe machine :will lbe drawn along the groundandtheftoothed wheels/on fw shaft :1.7 flowered -to :the/desired point. As theselwhe'els are driven they will passlinto soV the. soil and lmove Ytherethrough ina forward direction. The soilfwill fb'e vbroken upgand pulverized andthe. quack grass andtheroots thereof willfbe torn llooseand lifted. .Asithe wheels .pass upwardlyythe quack grass-lifted thereby will' Vbefbrokenl-Vupv and ltorn by Vthe teeth passingthrough .or between .the teeth 12fandJ-any 'clumps .of ldirt adhering to 'the roots will be further pulverized nand -sepaj rated ifrom .the roots.V As 'the lteeth rpass upwardly and again startinia downward 'direction, .any grass :still adheringthereto or car.- -ried fthereby .will be stripped therefrom =by the curved members21and:willslide down vsaidlmembersV and drop .on the surface 'of' ftheground at .the rearY of vthe 1michin'e.v The soifl'isfthus iine'lybroken upby-ithe machine 'and the quack grass .effectively separated therefrom and disposed on fthe ground. By 'this means, :the .quack grass will b'e exposed .tothe `rays .olf the sun fand effectively killed. r:libero-.action of-.the teeth .2O with .the .teeth 112 is veryefeotivekin separating, and ibreaking up the clumps .of .fthe :grass :and theV roots thereof. As above stated, fthis loosening of the ground and tearing iup .of :the roots .and lclump'softhe quack .grass and :depositing zthe Isame on `the .ground fhas 'been Vfound .to .be f

the Vonly effectivev way of .destroying this '66 pilant. As the ybar 1:8 is mounted to be held ibut short distance from thegroun'd, it can be. seen.- that #cheV same will fact-.to break Vup upwardly projecting -clods in the :path there# of, as the machine Ais moved.

Y When it is desired tov transport the machine Without the toothed wheels bein-gin operation, the lever25f1nay be swungfor wardly and the swinging'frame comprising `members 15 and 18 lifted .with the toothed .wheelsso that thesame. will be located above the Gf'ound.

g- The machine can then be progressed-ryithout operating thertoothed wheels and at this time the clutch 9 will preferably 'bei withdrawn from igengagement From theabove description it is seen that applicant hasl provided a veryY simple Aand eliicient :machine 1Afor treating the -soil and eliminating. quack grass other dindesir-Y able I"plant-s ysuch as various/varieties `iQf thistles, wire grassetc. The parts of the machine are .comparatively .few and vcan -llfe so Q Sti`

applicants invention, ,.which, generally stated, consists ina t,machine .capable lof- .car ryigngoutfthe-objects above enumerated,and in the structure shownV and Vdescribedfand-.as set forth in the appended claims.

What is claimed is Y' Y l. A soil gpulverizer and .quack 4grass exterminator comprisinga frame, .anaxle supporting the same,supporting wheelsiforssaid axle, aconnection fromione ofsaid .wheels to y.said `axle for driving -said axleaafbar .extending transversely .at vthe ,rear of said frame below .said axle., spacedppointed .teeth projecting rearwardlyv fromsaid bar, a-shaft extending @across the rear off-fsaid .frame above -said .bar, aaswinging adjustable '.frame pivoted onY said shaft, 4means kfor rot-ating said shaft from. said axle, ashaftextend.- ingtransverselyof said swinging frame .and

v.journaled therein, a series of spaced toot-hed wheels secured to said last mentioned shaft le having .their teeth ,passing respectively between said spaced teeth, and Vmeans connecting `said shafts for driving .the latter .in V-a direction yopposite to fthe vrotation .of rsa-id .first mentioned wheels. f ..j'

2. The structure 'slet forth in-claim 1, .a bar extending across said swinging frame .in/.the rear of sai-d toothed wheels, `and a pair of curved spring .arms having conve-2r surfaces disposed upwardly secured to said fbar in the rearrgof'each toothed wheel, said armsextending a.lon,g 1r:tfheV sides of'said wheel. Y

3. A quack grass' eXterminatOrfan'd :soil

Vpulverizer comprisingfa frame, aan axle j ournaled therein, gro'undsengaging wheels on 4said axle, :a second frame .connected tto .said frame, a shaft journaled in saidsecond fra-me, spaced y'toothed wheels carried onsaid direct-ion opposite from `said -grO und-engaging wheels asthesame .are rotated, .a Eplushaft, means for rotating said shaft `in a Y vrality ofteeth spaced intermeditely hetweenrv' said toothed Wheels adaptedto strikeo and pulverize the Soil dugA up by said toothed vWheels on the upward movement ofthe same yas the same are rotatech l1nd a plurality of? spaced toothed pror'igedk teeth 4at either side .of said 'v4.l The strnctnredened in claim 3, said frames being pivotally connected, an arm extending upwardly' and rearwardly from sai-d first frame, means running from said second frameto 'said armfend means for l5 raising or lowering saiderm to hold said second Vframe 1n various vadjusted Vpositions.

'd AUGUST SCHENDEL. 

